Severe Thunderstorms Possible From The Plains To The Great Lakes, Heat Wave To Continue Over The Southern U.S.

Scattered strong to severe thunderstorms capable of damaging winds, large hail, isolated tornadoes, and heavy rainfall will be possible through tonight from the central Plains to the Great Lakes and Northeast U.S. The heavy rainfall could lead to localized flash flooding. Excessive heat will persist across the southern Plains and Desert Southwest early this week. Read More >

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Thunderstorm in Vicinity

85°F

29°C

Humidity 53%
Wind Speed W 8 mph
Barometer 30.03 in (1015.8 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 18 Aug 4:53 pm EDT
Extended Forecast for

4 Miles WNW Williamsburg PA

  • This
    Afternoon

    This Afternoon: Showers and thunderstorms. Some of the storms could produce gusty winds and heavy rain.  High near 92. Southwest wind around 6 mph.  Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    High: 92 °F

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 8pm.  Patchy fog after 2am. Low around 69. Southwest wind 3 to 5 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    T-storms then
    Slight Chance
    T-storms and
    Patchy Fog

    Low: 69 °F

  • Monday

    Monday: A slight chance of showers and thunderstorms after 2pm.  Patchy fog before 8am.  Otherwise, mostly sunny and hot, with a high near 93. Calm wind becoming west around 6 mph in the afternoon.  Chance of precipitation is 20%.

    Patchy Fog
    then Slight
    Chance
    T-storms

    High: 93 °F

  • Monday
    Night

    Monday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 68. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 68 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms.  Partly sunny, with a high near 90. Light southwest wind.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    Chance
    T-storms

    High: 90 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 67. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Chance
    Showers

    Low: 67 °F

  • Wednesday

    Wednesday: A chance of showers, then showers and thunderstorms likely after 2pm.  Partly sunny, with a high near 89. Chance of precipitation is 60%.

    Chance
    Showers then
    T-storms
    Likely

    High: 89 °F

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely before 2am, then a chance of showers.  Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 68 °F

  • Thursday

    Thursday: A chance of showers after 2pm.  Partly sunny, with a high near 84. Chance of precipitation is 30%.

    Partly Sunny
    then Chance
    Showers

    High: 84 °F

Detailed Forecast

This Afternoon
Showers and thunderstorms. Some of the storms could produce gusty winds and heavy rain. High near 92. Southwest wind around 6 mph. Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms, mainly before 8pm. Patchy fog after 2am. Low around 69. Southwest wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 93. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Light southwest wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Friday
Sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 85.
Click Map For Forecast
Point Forecast:
4 Miles WNW Williamsburg PA
 40.48°N 78.26°W (Elev. 902 ft)
5:36 pm EDT Aug 18, 2019
5pm EDT Aug 18, 2019-6pm EDT Aug 25, 2019
 
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Additional Resources

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